Stability of topological wall defects on spheres with n-atic order

Topological point defects on orientationally ordered spheres, and on deformable fluid vesicles have been partly motivated by their potential applications in creating super-atoms with directional bonds through functionalization of the "bald-spots" created by topological point defects, thus...

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Published in:arXiv.org 2020-03
Main Authors: Saichand, C, Alageshan, Jaya Kumar, Roy, Arun, Hatwalne, Yashodhan
Format: Article
Language:English
Subjects:
Chemical bonds
Formability
Order-disorder transformations
Point defects
Stability
Topology
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Alageshan, Jaya Kumar
Roy, Arun
Hatwalne, Yashodhan
description Topological point defects on orientationally ordered spheres, and on deformable fluid vesicles have been partly motivated by their potential applications in creating super-atoms with directional bonds through functionalization of the "bald-spots" created by topological point defects, thus paving the way for atomic chemistry at micron scales. We show that singular wall defects, topologically unstable "bald lines" in two dimensions, are stabilized near the order-disorder transition on a sphere. We attribute their stability to free-energetic considerations, which override those of topological stability.
doi_str_mv 10.48550/arxiv.2003.09222
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subjects Chemical bonds
Formability
Order-disorder transformations
Point defects
Stability
Topology
title Stability of topological wall defects on spheres with n-atic order
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